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| Samples (n) | Fabrication Method | Testing |
|---|---|---|
| Disc (n = 36) | Molding | Optical Properties |
| Disc (n = 15) | 3D-printing | Optical Properties |
| Dogbone (n = 21) | 3D-printing | Tensile |
| U-channel (n = 18) | 3D-printing | Patency |
| Fingertip (n = 15) | 3D-printing | Patency |
| Fingertip (n = 1) | 3D-printing | PPG Validation |
| Embedded Tube (n = 2) | Molding | PPG Validation |
